From ce3288d8d654b252ba832626e7de481c195ef20a Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 21 Apr 2023 14:20:38 +0800
Subject: [PATCH] drm/amdgpu: fix memory leak in mes self test

[ Upstream commit 31d7c3a4fc3d312a0646990767647925d5bde540 ]

The fences associated with mes queue have to be freed
up during amdgpu_ring_fini.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index d3558c34d406..296b2d5976af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -361,6 +361,8 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
 		amdgpu_bo_free_kernel(&ring->ring_obj,
 				      &ring->gpu_addr,
 				      (void **)&ring->ring);
+	} else {
+		kfree(ring->fence_drv.fences);
 	}
 
 	dma_fence_put(ring->vmid_wait);